Finding the Fourth Proportional to 314,709.99, 472,068.26 and 251,929.20
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Solution
The fourth proportional to 314,709.99, 472,068.26 and 251,929.20 is: 377,896.42
Step by Step Solution
- Step 1: Write the proportion equation
314,709.99 : 472,068.26 = 251,929.20 : x - Step 2: Convert to fraction form
314,709.99/472,068.26 = 251,929.20/x - Step 3: Cross multiply
314,709.99x = 472,068.26 × 251,929.20 - Step 4: Simplify right side
314,709.99x = 118,927,779,087.19 - Step 5: Solve for x
x = 118,927,779,087.19/314,709.99 - Step 6: Final answer
x = 377,896.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.